[PATCH v2 v2 8/8] spacemit: k1: load product name from environment variable
Eric Chung
eric.chung at riscstar.com
Mon Jun 29 17:51:22 CEST 2026
Read the product name from the environment instead of EEPROM,
as the EEPROM may not be programmed and the environment always
contains this information.
Signed-off-by: Eric Chung <eric.chung at riscstar.com>
---
board/spacemit/k1/spl.c | 50 ++++++++++---------------------------------------
1 file changed, 10 insertions(+), 40 deletions(-)
diff --git a/board/spacemit/k1/spl.c b/board/spacemit/k1/spl.c
index 0db362130e4..4f8b2f1035d 100644
--- a/board/spacemit/k1/spl.c
+++ b/board/spacemit/k1/spl.c
@@ -12,6 +12,7 @@
#include <configs/k1.h>
#include <dm/device.h>
#include <dm/uclass.h>
+#include <env.h>
#include <i2c.h>
#include <linux/delay.h>
#include <log.h>
@@ -73,39 +74,6 @@ static void i2c_early_init(void)
}
}
-int read_product_name(char *name, int size)
-{
- u8 eeprom_data[TLV_TOTAL_LEN_MAX], *p;
- struct tlvinfo_header *tlv_hdr;
- struct tlvinfo_tlv *tlv_entry;
- int ret, i = 0;
- u32 entry_size;
-
- if (!name || size <= 0)
- return -EINVAL;
- ret = read_tlvinfo_tlv_eeprom(eeprom_data, &tlv_hdr,
- &tlv_entry, i);
- if (ret)
- return ret;
- p = (u8 *)tlv_entry;
- for (i = 0; i < tlv_hdr->totallen; ) {
- if (tlv_entry->type == TLV_CODE_PRODUCT_NAME) {
- if (tlv_entry->length < size)
- size = tlv_entry->length;
- memset(name, 0, size);
- memcpy(name, &tlv_entry->value[0], size);
- return 0;
- }
- if (tlv_entry->type == TLV_CODE_CRC_32)
- return -ENOENT;
- entry_size = tlv_entry->length + sizeof(struct tlvinfo_tlv);
- i += entry_size;
- p += entry_size;
- tlv_entry = (struct tlvinfo_tlv *)p;
- }
- return -ENOENT;
-}
-
static const struct {
const char *eeprom_name;
const char *fit_name;
@@ -117,9 +85,14 @@ static const struct {
static void fixup_product_name(void)
{
- char fdt_name[I2C_BUF_SIZE];
+ char fdt_name[I2C_BUF_SIZE], *name;
int i;
+ memset(product_name, 0, I2C_BUF_SIZE);
+ env_init();
+ env_load();
+ name = env_get("product_name");
+ snprintf(product_name, I2C_BUF_SIZE, "%s", name);
memset(fdt_name, 0, I2C_BUF_SIZE);
for (i = 0; i < ARRAY_SIZE(k1_board_map); i++) {
if (!strncmp(product_name, k1_board_map[i].eeprom_name,
@@ -384,13 +357,10 @@ u32 spl_boot_device(void)
void spl_board_init(void)
{
- int ret;
+}
- ret = read_product_name(product_name, I2C_BUF_SIZE);
- if (ret)
- log_info("Fail to detect board:%d\n", ret);
- else
- log_info("Get board name:%s\n", product_name);
+void spl_perform_board_fixups(struct spl_image_info *spl_image)
+{
fixup_product_name();
}
--
2.51.0
More information about the U-Boot
mailing list